爸爸是一位哲学家，拥有他所谓的目标理论，认为生活中的一切都有目的，除非达到了这一目的，否则它只是在地球上占用了空间并浪费了每个人的时间。
(Dad was a philosopher and had what he called his Theory of Purpose, which held that everything in life had a purpose, and unless it achieved that purpose, it was just taking up space on the planet and wasting everybody's time.)